With dynamic finite element method, deformation and motion process of the radial shrink annulus is simulated which has initial radial negative velocity. The results show: shrink annulus applies to mass conservation law; 采用非线性动态有限元方法,对径向收缩圆环的收缩变形、运动过程进行数值模拟,结果表明:圆环收缩遵循质量守恒定律,轴截面随着半径的减小而增大;
This paper traces the establishment of law of mass conservation historically and probes into the application of law of mass conservation in junior middle school chemistry teaching. 对质量守恒定律的建立进行历史追踪;探讨质量守恒定律在初中化学教学中的运用。
An isothermal, undrained set of iterative equations of pore pressure coefficients has been developed in this paper based on the mass conservation law, the generalized nonlinear stress-strain models proposed by the first author and the suction function of unsaturated soils. 本文基于吸力方程和笔者提出的广义非线性应力应变模型,根据质量守恒原理,导出了恒温不排气、不排水条件下求解孔隙压力系数的一般迭代算式。
It constructs a mathematic model to describe gas transient flow according to the mass, momentum and energy conservation law. 根据气体瞬变流动过程中所遵循的质量、动量和能量守恒定律建立描述气体瞬变流动的数学模型。
Develops a general mathematical model of the turbulent mass transfer of mine pollutant on the basis of mass conservation, Fick's first law of diffusion and Boussinesq's hypothesis. 本文根据质量守恒定律、Fick第一扩散定律和Boussinesq假设导出了井巷污染物紊流传质的通用数学模型及纵向(?)
Based on the mass conservation law and momentum equations of incompressible fluid in manifolds, the three examples of Π style manifolds with different pipe diameter show the difference between the marching solution method and the standard solution method. 在并联管组水动力学基本方程的基础上,分别采用水动力推进算法和水动力标准算法,对3种不同的分支管面积的∏型集箱进行计算,比较两种算法的计算结果差异。
In this model the conservation law of mass and conservation law of momentum are strictly ensured. 在从理论上证明了它严格地满足质量和动量的基本守恒定律的基础上,应用所建立的模型进行数值试验,模拟了溃坝涌波现象及其与固壁和建筑物的相互作用。
Based on energy and mass conservation law, the calculating mathematical models about ESP high efficiency operating were established. 利用质量守恒、能量守恒定律建立了潜油电泵高效运行的计算数学模型;
Radius affected by pressure and average mass conservation are utilized for studying spherical indeterminate percolation of power law fluid with yield stress. 用压力影响半径和平均质量守恒方法,研究具有屈服应力的幂律流体的球形不定常渗流。
The newly established heart and pulmonary part of the model makes the whole model closed and satisfying the mass conservation law. 其中以动物实验数据为依据建立起来的心肺部分模型使整个模型形成了自动闭合系统,自然满足质量守恒定律,从而克服了原有模型的非闭合性。
The kinetic equations of the radial flow chromatography were derived based on mass conservation law. 运用质量守恒定律,导出了径向流色谱动力学方程。
On this basis, the application of fluid flow mechanics theory, mass conservation law and the pressure coupling principle to deduce the variable mass flow in the vertical cracks in the fractured horizontal gas wells production capacity formula. 在此基础上,综合应用渗流力学理论、质量守衡定律和压力耦合原理,推导出了纵向裂缝内变质量流动时压裂水平气井的产能公式。